RV Cirolana CIR1A/73
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR1A/73 |
| Cruise period | 1973-01-02 — 1973-01-11 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Plymouth, United Kingdom |
| Purpose | Trials |
| Objectives | 1. To calibrate 30 and 100 kHz echo survey and counting systems;
2. To carry out deep water trials with the 100 kHz towed narrow beam system; 3. To test the equipment for the Lake Rudolph Project; 4. To make experimental surveys of any suitable fish concentrations. |
| Chief scientist | Ronald B Mitson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.17 MB) |
| Ocean/sea areas | |
| General | English Channel North Sea Inner Seas off the West Coast of Scotland Bay of Biscay |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: number of stations = 150 Description: S only |
| Water bottle stations | Quantity: number of stations = 150 Description: 16 T |
| Subsurface temperature and salinity measurements | Quantity: number of stations = 16 Description: S only |
| Biology and fisheries | |
| Zooplankton | Quantity: number of samples = 80 |
| Eggs and larvae | Quantity: number of samples = 80 |
| Pelagic fish | Quantity: number of hauls = 12 |
| Demersal fish | Quantity: number of hauls = 12 |
| Gear research | |
| Other biological/fisheries measurement | Description: deep scattering layers |
| Meteorology | |
| Occasional standard measurements | |
| Other meteorological measurements | Description: sea and swell |
